指标通过双重逻辑判断市场趋势与主力资金动向，辅助投资者把握买卖时机。
主要功能
指标分为两部分：上半部分通过计算股价与多条均线的位置关系，以及均线本身的走向，综合生成一条“主趋势线”，用以判断市场的长期走势是向上还是向下。下半部分则通过监测股价的超跌反弹信号和成交量的异常放大，来捕捉主力资金进场吸筹的短期爆发点。
操作策略
当指标出现黄色“主力买入”信号时，代表主力可能在低位大量买入，是潜在的短线爆发买点。而当“主趋势线”数值大于50时，代表市场整体处于多头上升趋势，此时参与成功率更高。建议将两者结合，即在主趋势向上的背景下，等待主力买入信号出现再择机介入。
{主图源码如下}
DRAWTEXT_FIX(1,0.005,0,0,'所属风格:'),COLORMAGENTA;
DRAWTEXT_FIX(1,0.06,0,0,FGBLOCK),COLORYELLOW;
DRAWTEXT_FIX(1,0.005,0.05,0,'所属概念:'),COLORMAGENTA;
DRAWTEXT_FIX(1,0.06,0.05,0,GNBLOCK),COLORYELLOW;
趋势上轨:MA(L+(H-L)/2,25)*1.15,COLORLIGREEN,LINETHICK3;
趋势下轨:MA(L+(H-L)/2,25)*0.95,COLORRED,LINETHICK3;
趋势中轨:=(趋势上轨+趋势下轨)/2,COLORBROWN;
股价:=C,COLORWHITE,LINETHICK2;
次趋势上轨:(MA(C,5)+MA(O,5))/2*1.06,COLORYELLOW,DOTLINE,LINETHICK1;
次趋势下轨:(MA(C,5)+MA(O,5))/2*0.98,COLORYELLOW,DOTLINE,LINETHICK1;
强弱分界:(次趋势上轨+次趋势下轨)/2,COLORRED,DOTLINE;
前收盘价:=REF(CLOSE,1);
强弱指标:=SMA(MAX(CLOSE-前收盘价,0),5.5,1)/SMA(ABS(CLOSE-前收盘价),6,1)*100;
DRAWTEXT(CROSS(84,RSI) AND CROSS(76,强弱指标),H*1.01,'卖出'),LINETHICK4,COLORGREEN;
量价关系:=C-REF(C,1);
主力量价:=100*EMA(EMA(量价关系,6),6)/EMA(EMA(ABS(量价关系),6),6);
反转信号:=IF(LLV(主力量价,2)=LLV(主力量价,7) AND COUNT(主力量价<0,2) AND CROSS(主力量价,MA(主力量价,2)),1,0);
DRAWTEXT(FILTER(反转信号=1,5),LOW-0.1,'趋势反转'),COLORYELLOW;
启动信号1:=CLOSE/REF(CLOSE,1)>=1.098 AND C=H;
次级主升:=COUNT(启动信号1,2)>=1 AND NOT(COUNT(启动信号1,3)>=2);
大牛启动:=FILTER(次级主升,13),COLORDDDDDD;
主级主升:=COUNT(启动信号1,3)>=2 AND NOT(COUNT(启动信号1,4)>=3);
大牛拉升:=FILTER(主级主升,13),COLORGREEN;
主升浪:=大牛拉升 AND COUNT(大牛拉升,18)=1;
启动信号2:=C/REF(C,1)>1.097 AND C=H;
STICKLINE(启动信号2,C,O,0.3,0),COLORYELLOW;
STICKLINE(C>趋势上轨 AND 启动信号2,C,O,3.3,0),COLORFF00FF;
STICKLINE(C>趋势上轨 AND 启动信号2,C,O,2.3,0),COLORDA70D6;
STICKLINE(C>趋势上轨 AND 启动信号2,C,O,1.6,0),COLOREE82EE;
STICKLINE(C>趋势上轨 AND 启动信号2,C,O,1,0),COLORD8BFD8;
STICKLINE(C>趋势上轨 AND 启动信号2,C,O,0.15,0),COLORF8F8FF;
STICKLINE(C>趋势上轨 AND 启动信号2,C,O,0.01,0),COLORFFFFFF;
DRAWICON(FILTER(主升浪,1) AND 启动信号2,L,26);
DRAWICON(FILTER(主升浪,1) AND 启动信号2,L*0.98,26);
DRAWICON(FILTER(主升浪,1) AND 启动信号2,L*0.96,26);
突破加速:=大牛启动 AND COUNT(大牛启动,18)=1;
STICKLINE(突破加速 AND C<趋势上轨,O,C,3,0),COLOR005555;
STICKLINE(突破加速 AND C<趋势上轨,O,C,2.6,0),COLOR007777;
STICKLINE(突破加速 AND C<趋势上轨,O,C,2.1,0),COLOR009999;
STICKLINE(突破加速 AND C<趋势上轨,O,C,1.5,0),COLOR11BBBB;
STICKLINE(突破加速 AND C<趋势上轨,O,C,0.9,0),COLOR33DDDD;
STICKLINE(突破加速 AND C<趋势上轨,O,C,0.3,0),COLOR55FFFF;
DRAWICON(突破加速,L,25);
DRAWICON(突破加速,L*0.98,25);
DRAWICON(突破加速,L*0.96,25);
周期:=10;
量高位置:=CONST(HHVBARS(V,10)),NODRAW;
前期压力位:IF(CURRBARSCOUNT<=周期+15,CONST(IF(量高位置=0,C,REF(C,量高位置))),DRAWNULL),COLORWHITE,LINETHICK1,DOTLINE;
DRAWTEXT(ISLASTBAR,前期压力位,' 前压力');
{副图源码如下}
M5:=MA(CLOSE,5);
M10:=MA(CLOSE,10);
M20:=MA(CLOSE,20);
GUP1:=IF(C>=M5,1,-1);
GUP2:=IF(C>=M10,1,-1);
GUP3:=IF(C>=M20,1,-1);
GUP4:=IF(M5>=REF(M5,1),1,-1);
GUP5:=IF(M10>=REF(M10,1),1,-1);
GUP6:=IF(M20>=REF(M20,1),1,-1);
主趋势线:(GUP1+GUP2+GUP3+GUP4+GUP5+GUP6)/6*100,COLORRED;
趋势启动:主趋势线>=50,COLORYELLOW,POINTDOT,NODRAW;
STICKLINE(CROSS(趋势启动,0.1),0,100,0,6),COLORYELLOW;
GUA1:=REF(LOW,1);
GUA2:=(SMA(ABS(LOW-GUA1),13,1))/(SMA(MAX(LOW-GUA1,0),13,1))*4;
GUA3:=EMA(GUA2,13);
GUA4:=LLV(LOW,34);
GUA5:=EMA(IF(LOW<=GUA4,GUA3,0),3);
GUA6:=100-3*SMA((CLOSE-LLV(LOW,75))/(HHV(HIGH,75)-LLV(LOW,75))*100,20,1)+2*SMA(SMA((CLOSE-LLV(LOW,75))/(HHV(HIGH,75)-LLV(LOW,75))*100,20,1),15,1);
GUA7:=100-3*SMA((OPEN-LLV(LOW,75))/(HHV(HIGH,75)-LLV(LOW,75))*100,20,1)+2*SMA(SMA((OPEN-LLV(LOW,75))/(HHV(HIGH,75)-LLV(LOW,75))*100,20,1),15,1);
GUA8:=GUA6<REF(GUA7,1) AND VOL>REF(VOL,1) AND CLOSE>REF(CLOSE,1);
STICKLINE(GUA8 AND COUNT(GUA8,18)=1,-100,10,4,0),COLORRED;
DRAWTEXT(GUA8 AND COUNT(GUA8,18)=1,-10,'↙主力买入'),COLORYELLOW;
{选股源码如下}
前收盘价:=REF(CLOSE,1);
量价关系:=C-REF(C,1);
主力量价:=100*EMA(EMA(量价关系,6),6)/EMA(EMA(ABS(量价关系),6),6);
反转信号:=LLV(主力量价,2)=LLV(主力量价,7) AND COUNT(主力量价<0,2) AND CROSS(主力量价,MA(主力量价,2));
选股:反转信号=1;
